Here is my weekly weather quiz question. What is  “Staccato Lightning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high (Shaded “Arch” shape with blue arrows) takes over again through the weekend into next week. A frontal system will be pushing through the Pacific Northwest Tuesday cooling us down Look for possible showers behind the front on Wednesday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 23 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 8 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 25 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories:

• AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AM THROUGH SUNDAY EVENING FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 2 PM SATURDAY THROUGH 11 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, AND THE THE SOUTHERN OREGON CASCADES.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Sunny and much warmer this afternoon (Hot), clear tonight,
• Sunny and excessively hot Saturday, mostly clear Saturday night,
• Mostly sunny and not quite as hot Sunday, then partly cloudy Sunday night.
• highs 88-97 cooling a bit to near 95 Sunday lows 56-60 cooling back to 56 Sunday night.
• Partly cloudy Monday AM, mostly sunny and cooler in the afternoon, partly cloudy and cooler Monday night through Tuesday evening, mostly cloudy late at night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of  evening showers, then mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then mostly cloudy with a (30%) chance of showers Thursday.
• highs 83-70 lows 52-49. (seasonal averages high 70 low 46.)

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Eugene-Springfield Pollen Count:

Grass………. Very High (246)

Trees………. Moderate (51)

Last Counted: 6/2/16

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Sunny and a bit warmer today, clear tonight,
• Sunny and excessively hot Saturday, mostly clear in the evening, partly cloudy at night,
• Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Sunday afternoon and Sunday night.
• highs 92-100 cooling to 98 Sunday lows 59-62 cooling to 59 Sunday night.
• Partly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Monday and in the evening, partly cloudy and a bit cooler late Monday night through  Wednesday evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 92-72 lows 56-50. (seasonal averages high 73 low 50).

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny and a bit warmer today and Saturday, clear tonight, mostly clear Saturday night,
• Then mostly cloudy Sunday, partly cloudy in the evening, mostly cloudy late Sunday night.
• highs 69-66 lows near 55.
• Partly cloudy and a bit cooler Monday through Tuesday, mostly cloudy at night,
• Mostly cloudy Wednesday AM, partly cloudy with a slight (20%) chance of showers in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 62-60 lows 54-50. (seasonal averages high 61 low 49)

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Forecast for the Cascades in Lane County:

• Mostly sunny and a bit warmer today, clear tonight,
• Sunny and warmer Saturday, partly cloudy with a slight (20%) chance of showers and thunderstorms Saturday night through Sunday night,
• free air freezing level 14,000 ft. today, 15,000 ft. tonight and Saturday,  then snow level above 8,000 ft. Saturday night through Sunday night.
• highs 79-85 lows 52-57 cooling to 55 Sunday night.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms and cooler Monday afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms Monday night,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms Tuesday, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late at night,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Thursday.
• snow level above 8,000 ft. Monday through Wednesday, snow level 7,500 ft. Wednesday night, then 7,000 ft.Thursday.
• highs 77-60 lows 49-39.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

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